ARVI Systems & Controls Pvt. Ltd offers Home UPS with Constant Voltage & Current Charger. ARVI Systems & Controls Pvt. Ltd has obtained ISO 9001:2000 certifications. ARVI Systems & Controls Pvt. Ltd supplies UPS. Home UPS with Constant Voltage & Current Charger is provided with 220VAC single phase nominal voltage. The technology of Home UPS with Constant Voltage & Current Charger is pulse width modulation using Mosfets. The output waveform of this UPS is square wave.